13. Many a student ___ bought the book, but a few of them __ read it through.

A. have, have　 B. has, has　　 C. have, has　　 D. has, have

12. To play basketball and to go swinmming __ useful for character-training.

A. was　　 B. is　　 C. are　　 D. were

11. The young ___ eaten up almost everything; one and half bananas __ left on the table.

A. is, are　　 B. are, is　　 C. has, have been　　 D. have, has been

10. The Arabian Nights ___ well-known all over the world, in which many a story ___ interesting and instructive.

A. is, are　 B. are, is　　 C. has, have been　　 D. have, has been

9. There ___ a table, four chairs, three bikes in the courtyard, in the middle of which ___ two tall trees with great shade.　 A. are, is　 B. is, are　 C. has, have　 D. have, has

8. What the remote areas need ___ education to children and what the children need ___ good textbooks at the moment.　 A. is, are　 B. are, is　 C. was, were　 D. were, was

7. A large number of students in our school ___ from the countryside; the number __ growing these year.　　

A. is, has been　 B. are, has been　 C. is, have been　　 D. are, have been

6. The great writer and professor ___, who ___ very strict with his students.　 A. is an old man, is

B. are both old men, are　 C. is an old mand and a young man, is　　 D. are two Chinese, are

5. I have finished a large part of novel written by Dickens, the rest of which ___ very difficult.

A. is　　 B. are　　 C. was　　 D. were

4. --- Are the new machines working?　 --- Yes. Three million tons of coal ___ exploited every year in the city.

A. is　　 B. are　　 C. has　　 D. have